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Angelica sinensis (AS) is one of the most popular medicinal foods used as a hematopoietic herb and also traditionally applied topically for skin disorders. However, the effectiveness of AS on atopic dermatitis (AD) has not been reported yet. This study was conducted to evaluate the antipruritic and anti-inflammatory effects of AS on regulating AD-related mediators in DNCB (2,4-dinitrochlorobenzene)-induced mice. AS was topically applied to the dorsal skin of DNCB-challenged mice for 11 days. Alteration of skin thickness was measured for assessment of histological improvement. In addition, the number of mast cells, the level of serum immunoglobulin E (IgE), the counting of scratching behavior, and the expression of substance P were evaluated. Also, the expressions of cytokines, nuclear factor κB (NF-κB), phospho-IκBα, and mitogen-activated protein kinases (MAPKs) were measured for evaluating the improvement of skin inflammation. The repeated treatment of AS significantly inhibited the skin thickness, the number of mast cells, and the level of serum IgE. Moreover, AS significantly suppressed the increased scratching behavior and the expression of substance P compared to the DNCB group. Topical application of AS also reduced the level of cytokines (IL-4, IL-6, TNF-α, and IFN-γ) as well as the expressions of NF-κB, phospho-IκBα, and phospho-MAPKs in the dorsal skin. The results of our study suggest that topical application of AS might have efficacy for modulating pruritus and inflammation in AD. Further studies are required to further characterize the mechanism of actions of AS.
This article was published in the following journal.
Name: Journal of medicinal food
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A plant species of the family APIACEAE that is the source of dong quai.
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Infection of the biliary passages with CLONORCHIS SINENSIS, also called Opisthorchis sinensis. It may lead to inflammation of the biliary tract, proliferation of biliary epithelium, progressive portal fibrosis, and sometimes bile duct carcinoma. Extension to the liver may lead to fatty changes and cirrhosis. (From Dorland, 27th ed)
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Agents, usually topical, that relieve itching (pruritus).
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